Preheat oven to 375°. Spread rolls on well greased cookie sheet or pizza pan. Cover entire sheet, be sure to pinch seams together. Bake approximately 10 minutes until crispy. Set crust aside. Mix cream cheese with mayonnaise and dressing. Spread cream cheese mixture over crust. Layer vegetables over mixture and pat down. Pat on grated cheese to adhere. Set in refrigerator at least 2 hours or more. Cut into squares with sharp knife. Be sure and dry vegetables well after washing and chopping.